/**
 * Speedometer PWA - Main Styles
 * OneDark Theme (Light & Dark modes)
 * Optimized for mobile screens (portrait + landscape)
 */

/* =====================================================
   OneDark Theme Variables
   ===================================================== */

/* Dark Theme (Default) - OneDark */
[data-theme="dark"] {
  /* OneDark Dark Background Colors */
  --color-bg-primary: #282c34;
  --color-bg-secondary: #21252b;
  --color-bg-tertiary: #2c323c;
  --color-bg-elevated: #3e4451;
  --color-bg-input: #1b1d23;
  
  /* OneDark Syntax Colors */
  --color-red: #e06c75;
  --color-orange: #d19a66;
  --color-yellow: #e5c07b;
  --color-green: #98c379;
  --color-cyan: #56b6c2;
  --color-blue: #61afef;
  --color-purple: #c678dd;
  --color-magenta: #be5046;
  
  /* UI Colors */
  --color-accent: #61afef;
  --color-accent-hover: #528bcc;
  --color-accent-glow: rgba(97, 175, 239, 0.4);
  --color-text-primary: #abb2bf;
  --color-text-secondary: #7f848e;
  --color-text-muted: #5c6370;
  --color-text-bright: #d7dae0;
  --color-border: #3e4451;
  
  /* Semantic Colors */
  --color-success: #98c379;
  --color-warning: #e5c07b;
  --color-danger: #e06c75;
  
  /* Gauge colors */
  --gauge-bg: #21252b;
  --gauge-track: #3e4451;
  --gauge-low: #98c379;
  --gauge-mid: #e5c07b;
  --gauge-high: #e06c75;
  --gauge-needle: #abb2bf;
  --gauge-needle-center: #61afef;
  
  /* Shadows */
  --shadow-color: rgba(0, 0, 0, 0.5);
}

/* Light Theme - OneDark Light */
[data-theme="light"] {
  /* OneDark Light Background Colors */
  --color-bg-primary: #fafafa;
  --color-bg-secondary: #f0f0f0;
  --color-bg-tertiary: #e5e5e6;
  --color-bg-elevated: #ffffff;
  --color-bg-input: #ffffff;
  
  /* OneDark Light Syntax Colors */
  --color-red: #e45649;
  --color-orange: #986801;
  --color-yellow: #c18401;
  --color-green: #50a14f;
  --color-cyan: #0184bc;
  --color-blue: #4078f2;
  --color-purple: #a626a4;
  --color-magenta: #ca1243;
  
  /* UI Colors */
  --color-accent: #4078f2;
  --color-accent-hover: #3264d6;
  --color-accent-glow: rgba(64, 120, 242, 0.3);
  --color-text-primary: #383a42;
  --color-text-secondary: #696c77;
  --color-text-muted: #a0a1a7;
  --color-text-bright: #232529;
  --color-border: #d3d3d4;
  
  /* Semantic Colors */
  --color-success: #50a14f;
  --color-warning: #c18401;
  --color-danger: #e45649;
  
  /* Gauge colors */
  --gauge-bg: #e5e5e6;
  --gauge-track: #d3d3d4;
  --gauge-low: #50a14f;
  --gauge-mid: #c18401;
  --gauge-high: #e45649;
  --gauge-needle: #383a42;
  --gauge-needle-center: #4078f2;
  
  /* Shadows */
  --shadow-color: rgba(0, 0, 0, 0.15);
}

/* Common Variables (both themes) */
:root {
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
  --font-digital: 'Orbitron', 'Share Tech Mono', var(--font-mono);
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 4rem;
  --font-size-5xl: 5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-theme: 300ms ease;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* =====================================================
   Reset & Base Styles
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

/* =====================================================
   App Container Layout
   ===================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--spacing-md);
  padding-bottom: env(safe-area-inset-bottom, var(--spacing-md));
  max-width: 600px;
  margin: 0 auto;
}

/* =====================================================
   Header Styles
   ===================================================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  flex-shrink: 0;
  gap: var(--spacing-md);
}

.app-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-bright);
  letter-spacing: -0.02em;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* View Toggle Buttons */
.view-toggle {
  display: flex;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-btn:hover {
  color: var(--color-text-primary);
}

.view-btn.active {
  background: var(--color-accent);
  color: white;
}

/* Theme Toggle Button */
.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-btn:hover {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* Sun/Moon icons */
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Status Indicators */
.status-indicators {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  transition: background-color var(--transition-theme);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: background var(--transition-normal);
}

.status-badge[data-status="active"] .status-dot {
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse 2s infinite;
}

.status-badge[data-status="error"] .status-dot {
  background: var(--color-danger);
}

.accuracy-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  transition: background-color var(--transition-theme);
}

.accuracy-value {
  font-weight: 600;
}

/* =====================================================
   Analog Speedometer Section
   ===================================================== */
.speedometer-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) 0;
}

.speedometer-section.hidden {
  display: none;
}

.speedometer-analog .speedometer-wrapper {
  position: relative;
  width: 100%;
  max-width: 350px;
  aspect-ratio: 1;
}

#speedometer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* =====================================================
   Digital Speedometer Section
   ===================================================== */
.speedometer-digital {
  padding: var(--spacing-lg);
}

.digital-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-theme);
  min-height: 350px;
}

.digital-main {
  text-align: center;
}

.digital-speed-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  text-shadow: 0 0 40px var(--color-accent-glow);
  transition: all var(--transition-theme);
}

.digital-speed-unit {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: var(--spacing-md);
}

/* Digital Secondary Info */
.digital-secondary {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

/* =====================================================
   Map View Section
   ===================================================== */
.speedometer-map {
  align-items: stretch;
  padding: var(--spacing-sm) 0;
}

.map-wrapper {
  position: relative;
  width: 100%;
  min-height: clamp(420px, 62vh, 560px);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.34);
  box-shadow: 0 24px 42px rgba(2, 6, 23, 0.5);
  background: linear-gradient(165deg, #0f172a 0%, #111827 56%, #0b1220 100%);
  isolation: isolate;
}

.radar-map {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.map-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(130% 90% at 50% -20%, rgba(14, 165, 233, 0.25) 0%, transparent 58%),
    radial-gradient(100% 120% at 110% 100%, rgba(56, 189, 248, 0.2) 0%, transparent 58%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.1) 0%, rgba(2, 6, 23, 0.3) 100%);
}

.map-nav-top {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-sm);
  z-index: 9;
  pointer-events: none;
}

.map-nav-instruction {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.55rem 0.85rem;
  border-radius: 14px;
  max-width: min(72%, 320px);
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid rgba(125, 211, 252, 0.35);
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.35);
  backdrop-filter: blur(8px);
}

.map-nav-step {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #e2e8f0;
}

.map-nav-meta {
  font-size: 0.76rem;
  color: rgba(226, 232, 240, 0.78);
}

.map-nav-chips {
  display: flex;
  gap: 6px;
  pointer-events: auto;
}

.map-nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  padding: 0.44rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #dbeafe;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.36);
  box-shadow: 0 8px 16px rgba(2, 6, 23, 0.25);
}

.map-nav-chip-active {
  border-color: rgba(34, 197, 94, 0.75);
  color: #dcfce7;
  background: rgba(21, 128, 61, 0.34);
}

.map-nav-chip-muted {
  border-color: rgba(251, 191, 36, 0.72);
  color: #fef3c7;
  background: rgba(146, 64, 14, 0.38);
}

.map-hud {
  position: absolute;
  bottom: calc(var(--spacing-sm) + 112px);
  left: var(--spacing-sm);
  right: var(--spacing-sm);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    'main controls'
    'grid controls';
  align-items: start;
  gap: var(--spacing-sm);
  z-index: 11;
  pointer-events: none;
}

.map-hud-main,
.map-hud-grid,
.map-hud-item {
  pointer-events: none;
}

.map-hud-main {
  grid-area: main;
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  width: fit-content;
  padding: 0.5rem 0.85rem;
  border-radius: 13px;
  background: rgba(2, 6, 23, 0.82);
  border: 1px solid rgba(103, 232, 249, 0.3);
  box-shadow: 0 12px 26px rgba(2, 6, 23, 0.38);
  backdrop-filter: blur(8px);
}

.map-speed-value {
  font-family: var(--font-digital);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: #e2e8f0;
  text-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
}

.map-speed-unit {
  font-size: 0.78rem;
  color: rgba(226, 232, 240, 0.72);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.map-hud-grid {
  grid-area: grid;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 148px));
  gap: var(--spacing-sm);
}

.map-hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.46rem 0.68rem;
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.3);
  backdrop-filter: blur(8px);
}

.map-hud-label {
  font-size: 0.65rem;
  color: rgba(203, 213, 225, 0.72);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.map-hud-value {
  font-family: var(--font-digital);
  font-size: 0.84rem;
  color: #e2e8f0;
  font-weight: 600;
}

.map-hud-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-self: end;
  align-self: start;
  grid-area: controls;
  margin-top: 58px;
  gap: 7px;
  z-index: 12;
  pointer-events: auto;
  width: fit-content;
}

.map-hud-btn {
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.84);
  color: #e2e8f0;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.44rem 0.62rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.map-hud-btn:hover {
  background: rgba(14, 116, 144, 0.5);
  border-color: rgba(103, 232, 249, 0.7);
  box-shadow: 0 8px 20px rgba(14, 116, 144, 0.35);
}

.map-hud-btn:active {
  transform: scale(0.98);
}

.map-hud-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

#btn-map-follow[data-follow='off'] {
  border-color: rgba(251, 191, 36, 0.82);
  color: #fef3c7;
  background: rgba(146, 64, 14, 0.62);
}

.map-route-card {
  position: absolute;
  left: var(--spacing-sm);
  right: var(--spacing-sm);
  bottom: var(--spacing-sm);
  z-index: 8;
  padding: 0.78rem 0.88rem;
  border-radius: 16px;
  background: linear-gradient(128deg, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.78) 100%);
  border: 1px solid rgba(148, 163, 184, 0.34);
  box-shadow: 0 16px 28px rgba(2, 6, 23, 0.45);
  backdrop-filter: blur(10px);
}

.map-route-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: 4px;
}

.map-route-kind {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(203, 213, 225, 0.84);
  font-weight: 700;
}

.map-route-limit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.52rem;
  border-radius: var(--radius-full);
  font-family: var(--font-digital);
  font-size: 0.75rem;
  color: #fef2f2;
  background: rgba(220, 38, 38, 0.76);
  border: 1px solid rgba(252, 165, 165, 0.5);
}

.map-route-name {
  margin: 0;
  font-size: 0.94rem;
  color: #f8fafc;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.map-route-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.map-route-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.42rem 0.52rem;
  border-radius: 11px;
  background: rgba(30, 41, 59, 0.66);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.map-route-metric-label {
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(203, 213, 225, 0.72);
}

.map-route-metric-value {
  font-family: var(--font-digital);
  font-size: 0.85rem;
  font-weight: 600;
  color: #f8fafc;
}

.map-user-marker {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  position: relative;
  background: rgba(14, 165, 233, 0.24);
  border: 2px solid rgba(186, 230, 253, 0.95);
  box-shadow: 0 0 0 11px rgba(14, 165, 233, 0.16), 0 0 20px rgba(14, 165, 233, 0.34);
}

.map-user-marker-core {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, #67e8f9 0%, #0ea5e9 100%);
  border: 1px solid #f8fafc;
}

.map-user-marker-arrow {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 16px solid #22d3ee;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.45));
}

.map-popup {
  font-family: var(--font-primary);
  color: #e2e8f0;
  min-width: 190px;
}

.map-wrapper .maplibregl-popup-content,
.map-wrapper .mapboxgl-popup-content {
  background: rgba(15, 23, 42, 0.94);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 12px;
  box-shadow: 0 14px 28px rgba(2, 6, 23, 0.45);
}

.map-wrapper .maplibregl-popup-tip,
.map-wrapper .mapboxgl-popup-tip {
  border-top-color: rgba(15, 23, 42, 0.94) !important;
  border-bottom-color: rgba(15, 23, 42, 0.94) !important;
}

.map-popup strong {
  display: block;
  margin-bottom: 2px;
}

.map-popup small {
  color: #93c5fd;
}

.map-wrapper .maplibregl-control-container,
.map-wrapper .mapboxgl-control-container {
  z-index: 12;
  pointer-events: none;
}

.map-wrapper .maplibregl-ctrl,
.map-wrapper .mapboxgl-ctrl {
  pointer-events: auto;
}

.map-wrapper .maplibregl-ctrl-bottom-right,
.map-wrapper .mapboxgl-ctrl-bottom-right {
  right: var(--spacing-sm);
  bottom: calc(var(--spacing-sm) + 118px);
  z-index: 13;
}

.map-wrapper .maplibregl-ctrl-group,
.map-wrapper .mapboxgl-ctrl-group {
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(2, 6, 23, 0.3);
}

.map-wrapper .maplibregl-ctrl-group button,
.map-wrapper .mapboxgl-ctrl-group button {
  background: rgba(2, 6, 23, 0.8);
}

.map-wrapper .maplibregl-ctrl-group button:hover,
.map-wrapper .mapboxgl-ctrl-group button:hover {
  background: rgba(14, 116, 144, 0.55);
}

.digital-info-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  min-width: 80px;
}

.digital-info-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.digital-info-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-bright);
}

/* =====================================================
   Stats Panel
   ===================================================== */
.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  flex-shrink: 0;
}

.stats-panel.hidden {
  display: none;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-theme);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-bright);
}

.stat-unit {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* =====================================================
   Radar Intelligence Panel
   ===================================================== */
.radar-panel {
  display: grid;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0 var(--spacing-md);
}

.radar-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.radar-panel-title {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.radar-source {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.radar-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-theme);
}

.radar-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.radar-card-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.radar-chip {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-bright);
  background: var(--color-bg-tertiary);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-full);
}

.radar-card-name {
  font-size: var(--font-size-base);
  color: var(--color-text-bright);
  font-weight: 600;
}

.radar-card-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.radar-card-meta strong {
  color: var(--color-text-bright);
}

.radar-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.radar-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
}

.radar-metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.radar-metric-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-bright);
  font-weight: 600;
}

.radar-card[data-level="info"] {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-glow);
}

.radar-card[data-level="warning"] {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 1px rgba(229, 192, 123, 0.35);
}

.radar-card[data-level="danger"] {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 1px rgba(224, 108, 117, 0.35);
}

/* =====================================================
   Control Buttons
   ===================================================== */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  flex-shrink: 0;
}

.controls-actions {
  display: flex;
  gap: var(--spacing-md);
}

.latency-profile {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
}

.latency-btn {
  flex: 1;
  min-height: 34px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.latency-btn.active {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px var(--color-accent-glow);
}

.latency-btn:hover:not(.active) {
  color: var(--color-text-primary);
  background: var(--color-bg-elevated);
}

.control-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
}

.control-btn:active {
  transform: scale(0.98);
}

.control-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: 0 4px 12px var(--color-accent-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
  box-shadow: 0 6px 20px var(--color-accent-glow);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-elevated);
}

.btn-icon {
  font-size: var(--font-size-lg);
}

/* =====================================================
   Install Guide
   ===================================================== */
.install-guide {
  display: grid;
  gap: var(--spacing-sm);
  padding: 0 0 var(--spacing-md);
}

.install-guide-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(97, 175, 239, 0.2) 0%, transparent 52%),
    linear-gradient(160deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
}

.install-guide[data-mode='prompt'] .install-guide-head {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-glow);
}

.install-guide[data-mode='installed'] .install-guide-head {
  border-color: var(--color-success);
  box-shadow: 0 0 0 1px rgba(152, 195, 121, 0.28);
}

.install-guide-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.install-guide-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-bright);
}

.install-guide-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.install-btn {
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-blue) 100%);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.64rem 0.92rem;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  box-shadow: 0 10px 20px var(--color-accent-glow);
  flex-shrink: 0;
}

.install-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.install-btn:active:not(:disabled) {
  transform: translateY(0);
}

.install-btn:disabled {
  opacity: 0.62;
  cursor: default;
  box-shadow: none;
}

.install-tutorial {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.install-tutorial[open] {
  border-color: var(--color-accent);
}

.install-tutorial summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.install-tutorial summary::-webkit-details-marker {
  display: none;
}

.install-tutorial summary::after {
  content: '+';
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.install-tutorial[open] summary::after {
  content: '-';
}

.install-steps {
  display: grid;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0 var(--spacing-md) var(--spacing-md) 1.45rem;
}

.install-steps li {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

/* =====================================================
   Donate Checkout
   ===================================================== */
.donate-checkout {
  padding: 0 0 var(--spacing-md);
}

.donate-disclosure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(97, 175, 239, 0.16) 0%, transparent 52%),
    linear-gradient(160deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-theme);
}

.donate-disclosure[open] {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-glow);
}

.donate-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.donate-summary::-webkit-details-marker {
  display: none;
}

.donate-summary-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.donate-summary-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-bright);
}

.donate-summary-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.donate-summary-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.28rem 0.68rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: white;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-blue) 100%);
  box-shadow: 0 6px 14px var(--color-accent-glow);
}

.donate-content {
  display: grid;
  gap: var(--spacing-md);
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.donate-copy-intro {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.donate-grid {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: var(--spacing-md);
  align-items: stretch;
}

.donate-qr {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-input);
}

.donate-qr img {
  width: 100%;
  max-width: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  object-fit: cover;
}

.donate-qr figcaption {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-align: center;
}

.donate-actions {
  display: grid;
  gap: var(--spacing-sm);
}

.donate-code-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.donate-code {
  width: 100%;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-input);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.45;
  padding: var(--spacing-sm);
}

.donate-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-blue) 100%);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.72rem var(--spacing-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  box-shadow: 0 10px 20px var(--color-accent-glow);
}

.donate-btn:hover {
  transform: translateY(-1px);
}

.donate-btn:active {
  transform: translateY(0);
}

.donate-feedback {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.donate-feedback[data-state='success'] {
  color: var(--color-success);
}

.donate-feedback[data-state='warning'] {
  color: var(--color-warning);
}

/* =====================================================
   Message Container
   ===================================================== */
.message-container {
  position: fixed;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px var(--shadow-color);
  max-width: calc(100% - var(--spacing-xl) * 2);
  z-index: 100;
  animation: slideUp 0.3s ease;
}

.message-container[hidden] {
  display: none;
}

.message-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-align: center;
}

/* =====================================================
   Offline Indicator
   ===================================================== */
.offline-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: var(--color-warning);
  color: #000;
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: 1000;
  animation: slideDown 0.3s ease;
}

.offline-indicator[hidden] {
  display: none;
}

/* =====================================================
   Animations
   ===================================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0%, 100% { 
    text-shadow: 0 0 40px var(--color-accent-glow);
  }
  50% { 
    text-shadow: 0 0 60px var(--color-accent-glow), 0 0 80px var(--color-accent-glow);
  }
}

/* =====================================================
   Landscape Mode Adjustments
   ===================================================== */
@media (orientation: landscape) and (max-height: 500px) {
  .app-container {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    max-width: 100%;
    padding: var(--spacing-sm);
  }
  
  .app-header {
    width: 100%;
    padding: var(--spacing-xs) 0;
  }
  
  .speedometer-section {
    flex: 0 0 50%;
    padding: 0;
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 250px;
  }

  .speedometer-map {
    flex: 0 0 50%;
  }

  .map-wrapper {
    min-height: 260px;
    border-radius: 16px;
  }

  .map-nav-top {
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    gap: var(--spacing-xs);
  }

  .map-nav-instruction {
    max-width: 58%;
    padding: 0.38rem 0.55rem;
  }

  .map-nav-step {
    font-size: 0.68rem;
  }

  .map-nav-meta {
    font-size: 0.62rem;
  }

  .map-nav-chip {
    padding: 0.32rem 0.44rem;
    font-size: 0.62rem;
    min-width: 52px;
  }

  .map-hud {
    bottom: calc(var(--spacing-xs) + 88px);
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    gap: var(--spacing-xs);
  }

  .map-hud-main {
    padding: 0.38rem 0.58rem;
  }

  .map-speed-value {
    font-size: 1.4rem;
  }

  .map-hud-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xs);
  }

  .map-hud-item {
    padding: 0.32rem 0.45rem;
  }

  .map-hud-controls {
    gap: var(--spacing-xs);
  }

  .map-hud-btn {
    font-size: 0.58rem;
    padding: 0.32rem 0.48rem;
  }

  .map-route-card {
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    bottom: var(--spacing-xs);
    padding: 0.45rem 0.58rem;
  }

  .map-route-name {
    font-size: 0.78rem;
  }

  .map-route-metrics {
    margin-top: 6px;
    gap: 6px;
  }

  .map-route-metric {
    padding: 0.3rem 0.42rem;
  }
  
  .digital-speed-value {
    font-size: 4rem;
  }
  
  .stats-panel {
    flex: 0 0 45%;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
  }

  .radar-panel {
    flex: 0 0 45%;
    padding: 0 var(--spacing-sm);
    gap: var(--spacing-xs);
  }

  .radar-card {
    padding: var(--spacing-sm);
  }

  .radar-panel-title {
    font-size: var(--font-size-xs);
  }

  .radar-metrics-grid {
    gap: var(--spacing-xs);
  }
  
  .stat-item {
    flex-direction: row;
    justify-content: space-between;
    padding: var(--spacing-sm);
  }
  
  .stat-label {
    margin-bottom: 0;
  }
  
  .controls-section {
    width: 100%;
    padding: var(--spacing-xs) 0;
    gap: var(--spacing-xs);
  }

  .controls-actions {
    width: 100%;
    gap: var(--spacing-sm);
  }

  .install-guide {
    width: 100%;
    padding: var(--spacing-xs) 0;
    gap: var(--spacing-xs);
  }

  .install-guide-head {
    padding: var(--spacing-sm);
  }

  .install-btn {
    min-height: 34px;
    font-size: var(--font-size-xs);
    padding: 0.52rem 0.74rem;
  }

  .install-tutorial summary,
  .install-steps li {
    font-size: var(--font-size-xs);
  }

  .donate-checkout {
    width: 100%;
    padding: var(--spacing-xs) 0 var(--spacing-sm);
  }

  .donate-content {
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm) var(--spacing-sm);
  }

  .donate-grid {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: var(--spacing-sm);
  }

  .donate-qr img {
    max-width: 80px;
  }
  
  .control-btn {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .digital-display {
    padding: var(--spacing-md);
  }
  
  .digital-secondary {
    gap: var(--spacing-lg);
  }
}

/* =====================================================
   Responsive Adjustments
   ===================================================== */
@media (max-width: 380px) {
  .digital-speed-value {
    font-size: 4rem;
  }

  .map-wrapper {
    min-height: 420px;
    border-radius: 16px;
  }

  .map-nav-top {
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .map-nav-instruction {
    max-width: none;
  }

  .map-nav-chips {
    justify-content: flex-end;
  }

  .map-hud {
    bottom: calc(var(--spacing-sm) + 164px);
    left: var(--spacing-xs);
    right: var(--spacing-xs);
  }

  .map-hud-main {
    padding: 0.36rem 0.55rem;
  }

  .map-speed-value {
    font-size: 1.8rem;
  }

  .map-hud-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .map-hud-item {
    padding: 0.28rem 0.4rem;
  }

  .map-hud-controls {
    justify-content: flex-start;
    align-items: flex-end;
  }

  .map-hud-btn {
    font-size: 0.62rem;
  }

  .map-route-card {
    left: var(--spacing-xs);
    right: var(--spacing-xs);
    bottom: var(--spacing-xs);
    padding: 0.52rem;
  }

  .map-route-metrics {
    margin-top: 6px;
    gap: 6px;
  }

  .map-route-metric {
    padding: 0.28rem 0.38rem;
  }

  .map-route-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 280px;
  }
  
  .stat-item {
    padding: var(--spacing-sm);
  }
  
  .stat-value {
    font-size: var(--font-size-lg);
  }

  .radar-metric-value {
    font-size: var(--font-size-xs);
  }
  
  .header-controls {
    gap: var(--spacing-xs);
  }
  
  .view-btn {
    width: 32px;
    height: 28px;
  }
  
  .theme-btn {
    width: 32px;
    height: 32px;
  }

  .install-guide-head {
    flex-direction: column;
    align-items: stretch;
  }

  .install-btn {
    width: 100%;
  }

  .donate-grid {
    grid-template-columns: 1fr;
  }

  .donate-qr {
    flex-direction: row;
    justify-content: flex-start;
    gap: var(--spacing-sm);
  }

  .donate-qr figcaption {
    text-align: left;
  }

  .donate-qr img {
    max-width: 84px;
  }
}

@media (max-width: 680px) {
  .map-wrapper {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 10px;
    min-height: 460px;
    border-radius: 16px;
  }

  .map-nav-top,
  .map-hud,
  .map-route-card {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    margin: 0;
  }

  .map-nav-top {
    grid-row: 1;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .map-nav-instruction {
    max-width: none;
  }

  .map-nav-chips {
    justify-content: flex-end;
  }

  .map-hud {
    grid-row: 2;
    align-self: end;
    gap: 8px;
  }

  .map-hud-main {
    padding: 0.36rem 0.55rem;
  }

  .map-speed-value {
    font-size: 1.8rem;
  }

  .map-hud-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .map-hud-item {
    padding: 0.28rem 0.4rem;
  }

  .map-hud-controls {
    margin-top: 0;
    justify-content: flex-start;
    align-items: flex-end;
  }

  .map-hud-btn {
    font-size: 0.62rem;
  }

  .map-route-card {
    grid-row: 3;
    align-self: end;
    padding: 0.52rem;
  }

  .map-route-metrics {
    margin-top: 6px;
    gap: 6px;
  }

  .map-route-metric {
    padding: 0.28rem 0.38rem;
  }
}

@media (min-width: 768px) {
  .app-container {
    padding: var(--spacing-xl);
  }
  
  .speedometer-analog .speedometer-wrapper {
    max-width: 400px;
  }
  
  .digital-speed-value {
    font-size: 8rem;
  }
}

/* =====================================================
   Reduced Motion Preference
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =====================================================
   Focus States for Accessibility
   ===================================================== */
.control-btn:focus-visible,
.view-btn:focus-visible,
.theme-btn:focus-visible,
.map-hud-btn:focus-visible,
.install-btn:focus-visible,
.install-tutorial summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* =====================================================
   Print Styles
   ===================================================== */
@media print {
  .controls-section,
  .offline-indicator,
  .message-container,
  .header-controls {
    display: none !important;
  }
}